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33 Cards in this Set
- Front
- Back
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tongue dev in embryo
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tuberculum impar
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bifid tongue bc
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lack of fusion of distal tongue buds
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develop 4th wk of embryonic life
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branchial arches
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1st
2nd 3rd BRANCHIAL ARCHES |
aw tongue development
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median tongue bud
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tuberculum impar
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arches 1,2,3 >
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formation of
face oral cavity |
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1st arch
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mandible
part of maxilla |
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1st/2nd/3rd arch >
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dev of tongue
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1st branchial cartilaginous arch
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meckel's cartilage
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merkel=
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mandibular cartilage
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second arch cartilage >
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middle ear
stapes styloid process (temporal bone) |
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hyoid bone
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3rd cartilage
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4/6th cartilage >
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laryngeal cartilages
NOTEPIGLOTTIS |
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first part of face to form
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mandible
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max/mand formed by
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intramembranous ossification
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growth of forebrain >
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frontal nasal process
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specialized ectoderm >
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nasal placodes
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medial nasal processes >
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philtrum of upper lip
nostril |
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lateral nasal processes
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alae (sides ) of nose
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1st branchial arch >
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mand/max process
4th week |
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fusion of
-maxillary -mandibular processes |
corner of mouth
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first branchial arch >
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tuberculum impar
2 lateral lingual swellings |
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inferior parathyroid gland
thymus > |
pharyngeal pouch 3
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stomodeum
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primitive mouth
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ectoderm=external
endoderm=internal |
buccopharyngeal membrane
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line inner aspects of arches
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pharyngeal pouches
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2nd pouch
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palatine tonsil
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4th pouch
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superior parathyroid gland
parafollicular cells/c cells of THYROID |
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1st pouch
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tympanic membrane
auditory tube middle ear |
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slight depression of ectoderm surface =
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stomodeum=
primitive mouth |
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primitive palate =
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-medial nasal processes
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secondary palate =
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hard/soft palate
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secondary palate from
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-lateral palatine processes
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